5161500005020 has 24 divisors (see below), whose sum is σ = 10877723509968. Its totient is φ = 2057252668800.

The previous prime is 5161500005017. The next prime is 5161500005023. The reversal of 5161500005020 is 205000051615.

It is an interprime number because it is at equal distance from previous prime (5161500005017) and next prime (5161500005023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161500005023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459202566 + ... + 459213805.

It is an arithmetic number, because the mean of its divisors is an integer number (453238479582).

Almost surely, 2^{5161500005020} is an apocalyptic number.

It is an amenable number.

5161500005020 is an abundant number, since it is smaller than the sum of its proper divisors (5716223504948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161500005020 is a wasteful number, since it uses less digits than its factorization.

5161500005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918416661 (or 918416659 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 5161500005020 its reverse (205000051615), we get a palindrome (5366500056635).

The spelling of 5161500005020 in words is "five trillion, one hundred sixty-one billion, five hundred million, five thousand, twenty".